Finding the Fourth Proportional to 10,683,220.09, 14,742,823.12 and 5,788,574.67
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Solution
The fourth proportional to 10,683,220.09, 14,742,823.12 and 5,788,574.67 is: 7,988,221.88
Step by Step Solution
- Step 1: Write the proportion equation
10,683,220.09 : 14,742,823.12 = 5,788,574.67 : x - Step 2: Convert to fraction form
10,683,220.09/14,742,823.12 = 5,788,574.67/x - Step 3: Cross multiply
10,683,220.09x = 14,742,823.12 × 5,788,574.67 - Step 4: Simplify right side
10,683,220.09x = 85,339,932,476,722.36 - Step 5: Solve for x
x = 85,339,932,476,722.36/10,683,220.09 - Step 6: Final answer
x = 7,988,221.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.